Copper Nugget B Blue Apatite The dark red color is

The dark red color is created from inclusions of minerals such as iron oxide or manganese oxide

Bumblebee Jasper (which is actually not a true Jasper) is a complex calcium carbonate mineral with inclusions of arsenic and manganese oxides

3 W X 1 H inches

This piece is "day fluorescent" - green inside and develops into a dark blue when in the sunlight

Average Dimensions: 4

Copper Nugget B Blue Apatite The dark red color isCopper is an elemental mineral that crystallizes in the isometric crystal system. All of our copper pieces are from Northern Michigan. You will receive the exact item pictured. Dimensions: 2. 0 L X 1. 75 W X 0. 5 H inches Weight: 3. 0 ounces